ON TIMEBOARD

MDW → ORF on time

Chicago Midway (Chicago, IL) to Norfolk (Norfolk, VA). Every scheduled flight, September 2025 to August 2026.

On time
74%
arrived < 15 min late
Cancelled
0.9%
582 flights
Typical arrival
−1 min
median vs schedule
When late
+57 min
average delay
Flights / day
2
1 airline

74% of flights from Chicago to Norfolk arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 p.m. departures ran on time 69% of the time; the 7 p.m. ones 57%. 8% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MDW → ORF: when a flight was late, it was under 45 minutes late 58% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 116 three hours or more; 0.9% were cancelled outright.

Share of all 582 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines58274%0.9%−1 min7.0%+57 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at MDW). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: too few flights (64 flights)7a8 a.m. departures: too few flights (21 flights)8a9 a.m. departures: too few flights (40 flights)9a10 a.m. departures: too few flights (15 flights)10a11 a.m. departures: too few flights (13 flights)11anoon departures: too few flights (64 flights)12p1 p.m. departures: too few flights (42 flights)1p2 p.m. departures: too few flights (9 flights)2p3 p.m. departures: too few flights (5 flights)3p4 p.m. departures: too few flights (2 flights)4p5 p.m. departures: too few flights (29 flights)5p6 p.m. departures: 69% on time (147 flights)696p7 p.m. departures: 57% on time (117 flights)577p
MDW → ORF, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On MDW → ORF, each airline's last flight of the day was cancelled 1.8% of the time, against 0.4% for its earlier flights (4.1× as often). It arrived 3+ hours late 1.8% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Southwest Airlines6:50 p.m.1.8%1.8%0.4%first flight 7:55 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in ORF tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (83%). Worst: May (60%).

40%70%100%Jan: too few flights (85 flights)JanFeb: too few flights (74 flights)FebMar: 81% on time (108 flights)81MarApr: 75% on time (116 flights)75AprMay: 60% on time (120 flights)60MayJun: 64% on time (225 flights)64JunJul: 62% on time (245 flights)62JulAug: 74% on time (188 flights)74AugSep: 80% on time (175 flights)80SepOct: 83% on time (167 flights)83OctNov: 83% on time (107 flights)83NovDec: 70% on time (123 flights)70Dec

By day of week

DayFlightsOn timeCancelled
Monday88——
Tuesday84——
Wednesday82——
Thursday83——
Friday86——
Saturday73——
Sunday86——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 43%Late inbound plane 41%Air traffic & airport (NAS) 11%Severe weather 4%Security 1%

Cancellations: weather 4 · airline 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jun 8, 202630%0
Jul 27, 202630%0
Jun 18, 202630%0
Jun 19, 2026333%0
Jul 24, 2026333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Chicago or Norfolk. None has been clearly more reliable than MDW → ORF.

RouteFlightsOn timeCancelled
MDW → ORF (this route)58274%0.9%
ORD → ORF Chicago O'Hare to Norfolk1,95770%2.5%

Questions

How often are flights from MDW to ORF on time?

74% of 582 scheduled flights from Chicago, IL to Norfolk, VA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.9% were cancelled.

What is the best time of day to fly MDW to ORF?

Flights scheduled to leave at 6 p.m. were the most reliable (69% on time). The 7 p.m. departures were the least (57%).

What month has the most delays from MDW to ORF?

May (60% on time). The best month is November (83%), over 2023–2026.

Is the last flight of the day from MDW to ORF more likely to be cancelled?

Yes. Each airline's last MDW–ORF flight of the day was cancelled 1.8% of the time over the past year, against 0.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.